A planet with density equal to Earth is 2R times far away from earth, if we double the distancs from 2R to 4R then "g" becomes:-

Answer 1

please check what you wrote

"Earth is 2R times far away from earth "

makes no sense to me.

Answer 2

g = k/r^2
so, if r doubles, g is cut by a factor of 1/4

Answer 3

thanku Sir